The Vegas owner of Heart Attack Grill, "Doctor" Jon Basso -- who is not actually a doctor -- first thought the man's cardiac arrest was a joke, but soon phoned 911. Basso told Fox 5, "I actually felt horrible for the gentleman because the tourists were taking photos of him as if it were some type of stunt. Even with our own morbid sense of humor, we would never pull a stunt like that," he said.